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Hot Finished 310S Stainless Steel

Hot finished AISI 310S is AISI 310S stainless steel in the hot worked condition. The graph bars on the material properties cards below compare hot finished AISI 310S to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

170

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

44 %

Fatigue Strength

250 MPa 36 x 103 psi

Poisson's Ratio

0.27

Rockwell B Hardness

77

Shear Modulus

79 GPa 11 x 106 psi

Shear Strength

420 MPa 61 x 103 psi

Tensile Strength: Ultimate (UTS)

600 MPa 87 x 103 psi

Tensile Strength: Yield (Proof)

270 MPa 39 x 103 psi

Thermal Properties

Latent Heat of Fusion

310 J/g

Maximum Temperature: Corrosion

450 °C 830 °F

Maximum Temperature: Mechanical

1100 °C 2010 °F

Melting Completion (Liquidus)

1450 °C 2640 °F

Melting Onset (Solidus)

1400 °C 2550 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

16 W/m-K 9.0 BTU/h-ft-°F

Thermal Expansion

16 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.3 % IACS

Otherwise Unclassified Properties

Base Metal Price

25 % relative

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

4.3 kg CO2/kg material

Embodied Energy

61 MJ/kg 26 x 103 BTU/lb

Embodied Water

190 L/kg 23 gal/lb

Common Calculations

PREN (Pitting Resistance)

25

Resilience: Ultimate (Unit Rupture Work)

220 MJ/m3

Resilience: Unit (Modulus of Resilience)

190 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

20 points

Thermal Diffusivity

4.1 mm2/s

Thermal Shock Resistance

14 points

Alloy Composition

Iron (Fe) 48.3 to 57
Chromium (Cr) 24 to 26
Nickel (Ni) 19 to 22
Manganese (Mn) 0 to 2.0
Silicon (Si) 0 to 1.5
Carbon (C) 0 to 0.080
Phosphorus (P) 0 to 0.045
Sulfur (S) 0 to 0.030

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASTM A276: Standard Specification for Stainless Steel Bars and Shapes

ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Corrosion of Austenitic Stainless Steels: Mechanism, Mitigation and Monitoring, H. S. Khatak and B. Raj (editors), 2002

Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011

Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984

Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993

ASM Specialty Handbook: Stainless Steels, J. R. Davis (editor), 1994

Advances in Stainless Steels, Baldev Raj et al. (editors), 2010

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015